Skip to main content
Image of the Baltimore County Seal

Main navigation

  • Services
  • Report
  • Pay
  • Apply
  • Contact
Baltimore County Government
Use the dropdown menu to select your preferred language

Breadcrumb

  1. Home
  2. Departments
  3. Permits, Approvals and Inspections
  4. Apply For a Permit
  5. Plumbing and Gasfitting Permit

Plumbing and Gasfitting Permit

A permit is required for all plumbing and gasfitting work. Only a Baltimore County licensed plumber and gasfitter contractor can apply for a plumbing/gasfitting permit.

View the plumbing and gasfitting permit fees.

REQUIRED DOCUMENTS

A building permit number is required, if applicable, and must be listed on the application.

The applicant will need to know:

  • If the property is connected to public water/sewer or well/septic and if the connection is existing or new
  • The number of fixtures that are new, replace/reconstruct, or removed, for each section on the application

The following documents are required when submitting a plumbing permit application:

  • For an onsite water, sewer/storm application—Site plans with details of onsite work, including lateral connections.
  • For a septic system repair or replacement application—Septic system permit requirement sheet. Contact Groundwater Management prior to submitting a plumbing permit application.
  • For proposed propane tanks on properties served by well and septic systems—A contractor certification must be signed and submitted with the plumbing permit applications.
  • Before a grinder pump is installed, the Plumber Acknowledgement of Requirement to Contact DPWT form must be submitted.

TYPES OF CONTRACTORS THAT CAN APPLY

Only a Baltimore County licensed plumbing or gasfitting contractor can apply for a plumbing or gasfitting permit. Exceptions include:

  • Propane Gasfitters: Baltimore County recognizes and honors insured-to-work Propane Gasfitter Certificates
  • Pump Installers
  • Water Conditioner
  • Well Drillers

Find a State of Maryland licensed contractor.

APPLY FOR A PERMIT

Once you have reviewed the process outlined above and have gathered your required documentation, apply for your permit online using the buttons below.

APPLY FOR A COMMERCIAL PLUMBING PERMIT 

APPLY FOR A RESIDENTIAL PLUMBING PERMIT
 

Explore Permits, Approvals and Inspections

  • Apply for a Permit
  • Permit Application FAQ
  • Schedule an Inspection
  • Rental Registration
  • Code Enforcement
  • Zoning
  • Development Management

Contact Us

Department of Permits, Approvals and Inspections

County Office Building
111 West Chesapeake Avenue
Towson, Maryland 21204

Hours

Monday through Friday
8:30 a.m. to 4:30 p.m.

Phone

410-887-3900
Image of the Baltimore County Seal
Baltimore County Government
400 Washington Avenue, Towson Maryland 21204
BaltCoGo 311 Logo
Download now on:
  •   App Store
  •   Google Play

Find Information

  • Find a County Service
  • Phone Numbers
  • Report a Problem
  • Directions

Policies

  • User Terms
  • Privacy
  • Reasonable Accommodation

Connect With Us

Translate

© Copyright 2025 Baltimore County Government
Back to top